Drilldown: Patents
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- Techtypes (2373)
Patents > Full specification filed date:
1910
& National tech categories
:
USPC 244/66
or
USPC 244/80
or
USPC 244/90R
or
None
& IPCs
:
IPC B64C23/00
or
None
& CPCs
:
CPC B64B1/58
or
CPC B64C2700/6274
or
CPC B64C35/00 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 6 results in range #1 to #6.
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- Main
- Timeline: Year filed
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- Calendar: Year filed
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- Calendar: Full specification filed date
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